Facts
- Chemical formula
- Ca₉Si₆O₁₆(OH)₁₀·6H₂O
- Crystal system
- Triclinic
- Mohs hardness
- 3.5
- Number of elements
- 4
- IMA status
- Approved
- Type locality
- Crestmore quarries
- Named after
- Clarence Marvin Jenni
Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q250280